package com.heima.socket.inetaddress;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class demo {
    public static void main(String[] args) throws UnknownHostException {
        /**
         * static InetAddress getByName(String host)  确定主机名称的IP地址。主机名称可以是机器名称，也可以是IP地址
         * String getHostName()                       获取此IP地址的主机名
         * String getHostAddress()                    返回文本显示中的IP地址字符串
         */

        // 1. 获取InetAddress的对象
        InetAddress address = InetAddress.getByName("cen");
        System.out.println(address);

        String hostName = address.getHostName();
        System.out.println(hostName); // cen

        String hostAddress = address.getHostAddress();
        System.out.println(hostAddress); // 192.168.174.1
    }
}
